Derek Chen
cd05e5e7fc
* docs: proper captializing * docs: confirmed that the for loop is entered but on first startup something else * feat: turns out - validate login status - not in background - pass background now * feat: kronk.gif * Update UserScheduleMessages.ts * Update addCourseByURL.ts * chore: format * chore: chore --------- Co-authored-by: doprz <52579214+doprz@users.noreply.github.com>
66 lines
2.5 KiB
TypeScript
66 lines
2.5 KiB
TypeScript
import addCourse from '@pages/background/lib/addCourse';
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import { background } from '@shared/messages';
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import type { UserSchedule } from '@shared/types/UserSchedule';
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import { CourseCatalogScraper } from '@views/lib/CourseCatalogScraper';
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import getCourseTableRows from '@views/lib/getCourseTableRows';
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import { SiteSupport } from '@views/lib/getSiteSupport';
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/**
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* Adds a course to the active schedule by fetching course details from a provided URL.
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* If no URL is provided, prompts the user to enter one.
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* Sriram and Elie made this
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*
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* @param activeSchedule - The user's active schedule to which the course will be added.
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* @param link - The URL from which to fetch the course details. If not provided, a prompt will ask for it.
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*
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* @returns A promise that resolves when the course has been added or the operation is cancelled.
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*
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* @throws an error if there is an issue with scraping the course details.
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*/
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export async function addCourseByURL(activeSchedule: UserSchedule, link?: string): Promise<void> {
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// todo: Use a proper modal instead of a prompt
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// eslint-disable-next-line no-param-reassign, no-alert
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if (!link) link = prompt('Enter course link') || undefined;
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// Exit if the user cancels the prompt
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if (!link) {
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return;
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}
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try {
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let htmlText: string;
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try {
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htmlText = await background.addCourseByURL({
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url: link,
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method: 'GET',
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response: 'text',
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});
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} catch (e) {
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// eslint-disable-next-line no-alert
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alert(`Failed to fetch url '${link}'`);
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return;
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}
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const doc = new DOMParser().parseFromString(htmlText, 'text/html');
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const scraper = new CourseCatalogScraper(SiteSupport.COURSE_CATALOG_DETAILS, doc, link);
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const tableRows = getCourseTableRows(doc);
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const scrapedCourses = scraper.scrape(tableRows, false);
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if (scrapedCourses.length !== 1) return;
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const description = scraper.getDescription(doc);
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const row = scrapedCourses[0]!;
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const course = row.course!;
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course.description = description;
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if (activeSchedule.courses.every(c => c.uniqueId !== course.uniqueId)) {
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console.log('Adding course');
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await addCourse(activeSchedule.id, course);
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} else {
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console.log('Course already exists');
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}
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} catch (error) {
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console.error('Error scraping course:', error);
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}
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}
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